Flashcards
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Flashcards do conjunto (17)
- 1Input DevicesInput Devices - are things like keyboards which send information to the computer that you are entering IN.
- 2Output DevicesOutput Device - are things like a printer and a monitor because they show things and print things OUT.
- 3Automatic Input DevicesAutomatic Input Devices - are things that you don't need to enter into the computer like sensors, bar-code scanners.
- 4Manual Input DevicesManual Input Devices - are things that you enter into a computer manually like a keyboard and a joystick which you have to type or move around to enter the data into the computer which then can be shown through the output device.
- 5Miro Ink Character ReaderMICR - Miro Ink Character Reader appear at the bottom of cheques which banks use to read the numbers at the bottom of the cheque.
- 6Optical Mark ReaderOMR - Optical Mark Reader is used to mark exams for multi choice questions and these help speed up marking.
- 7Alphanumeric KeyboardAlphanumeric Keyboard - A very common, general purpose, input device that allows text , numbers and symbols to be entered into a computer.
- 8Numeric KeypadNumeric Keypad - A small keyboard that only has numbers.
- 9PIN PadPIN Pad - This is a device with a numeric keypad used to enter a person’s Personal Identity Number (PIN) e.g. when paying with a credit card. PIN pads are also found on electronic door locks.
- 10Graphical User Interface (GUI)Graphical User Interface (GUI) - GUIs are quite easy to use due to the visual nature of the interface – the user has lots of visual clues as to what things do. A GUI is an interface built around visual things like Windows, Icons, Menus and A pointer.
- 11Command Line Interface (CLI)Command Line Interface (CLI) - Many years ago when computers were not very powerful they could not display the colourful graphics required for a GUI. The only interface available to most computer uses was the ‘command line’
- 12Mainframe ComputerMainframe Computer - A mainframe computer is a large computer, often used by large businesses. They are Powerful, Large
- 13Light PenLight Pen - A light pen is a device used as a pointing device or to ‘write’ on the screen of a computer.
- 14Magnetic Strip ReaderMagnetic Strip Reader - Many plastic cards, such as credit cards, have a strip of material that can be magnetised on the back. Data can be stored here in the form of magnetised dots.
- 15Smart CardSmart Card - Modern credit cards and ID cards don’t use a magnetic strip. Instead they have a tiny ‘chip’ of computer memory embedded inside them.Data can be stored in this memory and read back using a ‘chip’ reader
- 16Optical Character RecognitionOCR - Optical Character Recognition is a software technology that can convert images of text into an actual text file that can then be edited. The result is just as if the text had been typed in by hand.
- 17Sensorssensors - A normal PC has no senses, but we can give it some: We can connect sensors
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- GCSE ICT FlashCards sobre Sem título, criado por bickerslachlan em 03-05-2016.
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- bickerslachlan
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